Back scratcher



FIG. 1 is a perspective view of a back scratcher showing my new design in an extended state;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is an enlarged top plan view of the back scratcher;

FIG. 7 is an enlarged bottom plan view of the back scratcher;

FIG. 8 is a perspective view of the back scratcher shown in a shortened state; and,

FIG. 9 is an enlarged view of portion 9 shown in FIG. 1. 

CLAIM The ornamental design for a back scratcher, as shown and described. 